eqn.c 19 KB

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  1. #define CONTIG 57346
  2. #define QTEXT 57347
  3. #define SPACE 57348
  4. #define THIN 57349
  5. #define TAB 57350
  6. #define MATRIX 57351
  7. #define LCOL 57352
  8. #define CCOL 57353
  9. #define RCOL 57354
  10. #define COL 57355
  11. #define ABOVE 57356
  12. #define MARK 57357
  13. #define LINEUP 57358
  14. #define SUM 57359
  15. #define INT 57360
  16. #define PROD 57361
  17. #define UNION 57362
  18. #define INTER 57363
  19. #define DEFINE 57364
  20. #define TDEFINE 57365
  21. #define NDEFINE 57366
  22. #define DELIM 57367
  23. #define GSIZE 57368
  24. #define GFONT 57369
  25. #define INCLUDE 57370
  26. #define IFDEF 57371
  27. #define DOTEQ 57372
  28. #define DOTEN 57373
  29. #define FROM 57374
  30. #define TO 57375
  31. #define OVER 57376
  32. #define SQRT 57377
  33. #define SUP 57378
  34. #define SUB 57379
  35. #define SIZE 57380
  36. #define FONT 57381
  37. #define ROMAN 57382
  38. #define ITALIC 57383
  39. #define BOLD 57384
  40. #define FAT 57385
  41. #define UP 57386
  42. #define DOWN 57387
  43. #define BACK 57388
  44. #define FWD 57389
  45. #define LEFT 57390
  46. #define RIGHT 57391
  47. #define DOT 57392
  48. #define DOTDOT 57393
  49. #define HAT 57394
  50. #define TILDE 57395
  51. #define BAR 57396
  52. #define LOWBAR 57397
  53. #define HIGHBAR 57398
  54. #define UNDER 57399
  55. #define VEC 57400
  56. #define DYAD 57401
  57. #define UTILDE 57402
  58. #line 17 "/sys/src/cmd/eqn/eqn.y"
  59. #include "e.h"
  60. int yylex(void);
  61. extern int yyerrflag;
  62. #ifndef YYMAXDEPTH
  63. #define YYMAXDEPTH 150
  64. #endif
  65. #ifndef YYSTYPE
  66. #define YYSTYPE int
  67. #endif
  68. YYSTYPE yylval;
  69. YYSTYPE yyval;
  70. #define YYEOFCODE 1
  71. #define YYERRCODE 2
  72. #line 140 "/sys/src/cmd/eqn/eqn.y"
  73. short yyexca[] =
  74. {-1, 0,
  75. 1, 3,
  76. -2, 0,
  77. -1, 1,
  78. 1, -1,
  79. -2, 0,
  80. };
  81. #define YYNPROD 90
  82. #define YYPRIVATE 57344
  83. #define YYLAST 469
  84. short yyact[] =
  85. {
  86. 4, 103, 119, 45, 27, 118, 104, 2, 102, 41,
  87. 42, 43, 44, 65, 80, 81, 79, 66, 67, 68,
  88. 69, 70, 50, 49, 74, 75, 76, 77, 105, 73,
  89. 40, 80, 81, 80, 81, 114, 61, 64, 54, 62,
  90. 57, 58, 59, 60, 55, 56, 63, 78, 91, 92,
  91. 82, 26, 83, 85, 86, 87, 88, 90, 51, 52,
  92. 48, 124, 50, 49, 117, 25, 45, 117, 72, 71,
  93. 80, 81, 113, 24, 45, 23, 61, 64, 54, 62,
  94. 57, 58, 59, 60, 55, 56, 63, 53, 89, 100,
  95. 84, 22, 96, 95, 106, 107, 108, 109, 99, 110,
  96. 111, 41, 42, 43, 44, 45, 98, 115, 21, 94,
  97. 93, 18, 130, 123, 17, 116, 121, 46, 112, 125,
  98. 127, 128, 1, 129, 126, 0, 0, 45, 8, 7,
  99. 9, 10, 11, 28, 41, 42, 43, 44, 0, 16,
  100. 47, 12, 34, 13, 14, 15, 61, 64, 54, 62,
  101. 57, 58, 59, 60, 55, 56, 63, 0, 0, 20,
  102. 0, 0, 29, 33, 30, 31, 32, 19, 37, 39,
  103. 38, 36, 35, 0, 0, 0, 0, 0, 0, 0,
  104. 0, 0, 0, 0, 0, 6, 97, 8, 7, 9,
  105. 10, 11, 28, 41, 42, 43, 44, 0, 16, 47,
  106. 12, 34, 13, 14, 15, 0, 0, 0, 0, 0,
  107. 0, 0, 0, 0, 0, 0, 0, 0, 20, 0,
  108. 0, 29, 33, 30, 31, 32, 19, 37, 39, 38,
  109. 36, 35, 101, 0, 0, 0, 0, 0, 0, 0,
  110. 0, 0, 0, 3, 6, 8, 7, 9, 10, 11,
  111. 28, 41, 42, 43, 44, 0, 16, 5, 12, 34,
  112. 13, 14, 15, 0, 0, 0, 0, 0, 0, 0,
  113. 0, 0, 0, 0, 0, 0, 20, 0, 0, 29,
  114. 33, 30, 31, 32, 19, 37, 39, 38, 36, 35,
  115. 0, 0, 8, 7, 9, 10, 11, 28, 41, 42,
  116. 43, 44, 6, 16, 47, 12, 34, 13, 14, 15,
  117. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  118. 0, 0, 0, 20, 0, 0, 29, 33, 30, 31,
  119. 32, 19, 37, 39, 38, 36, 35, 0, 0, 8,
  120. 7, 9, 10, 11, 28, 41, 42, 43, 44, 6,
  121. 16, 5, 12, 34, 13, 14, 15, 0, 0, 0,
  122. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  123. 20, 0, 0, 29, 33, 30, 31, 32, 19, 37,
  124. 39, 38, 36, 35, 8, 7, 9, 10, 11, 28,
  125. 41, 42, 43, 44, 0, 16, 6, 12, 34, 13,
  126. 14, 15, 0, 0, 0, 0, 0, 0, 0, 0,
  127. 0, 0, 0, 0, 0, 20, 0, 0, 29, 33,
  128. 30, 31, 32, 19, 37, 39, 38, 36, 35, 51,
  129. 122, 48, 0, 50, 49, 0, 0, 0, 0, 0,
  130. 0, 6, 0, 0, 120, 49, 0, 61, 64, 54,
  131. 62, 57, 58, 59, 60, 55, 56, 63, 61, 64,
  132. 54, 62, 57, 58, 59, 60, 55, 56, 63
  133. };
  134. short yypact[] =
  135. {
  136. 241,-1000, 288,-1000, 26,-1000, 335,-1000,-1000,-1000,
  137. -1000,-1000,-1000,-1000,-1000,-1000, 380, 380, 380, 380,
  138. 380, 32, 335, 380, 380, 380, 380,-1000,-1000, 66,
  139. -1000,-1000,-1000, 66,-1000, 29, 66, 66, 66, 66,
  140. 27,-1000,-1000,-1000,-1000, 26,-1000, 380, 380,-1000,
  141. -1000,-1000,-1000,-1000,-1000,-1000,-1000,-1000,-1000,-1000,
  142. -1000,-1000,-1000,-1000,-1000, 124, 26, 96, 96, 96,
  143. -14,-1000,-1000, 183, 96, 96, 96, 96, -53,-1000,
  144. -1000,-1000,-1000,-1000,-1000,-1000,-1000,-1000,-1000, 335,
  145. -1000, 26, -14, 380, 380, 380, 380,-1000, 380, 380,
  146. -1000, 10, 91, 53, 288, -56, 408, -14, 397, 26,
  147. 408, -14,-1000,-1000, -1,-1000,-1000, 335, 335,-1000,
  148. 380,-1000, 380,-1000,-1000,-1000, 288, 50, -14, 26,
  149. -1000
  150. };
  151. short yypgo[] =
  152. {
  153. 0, 122, 6, 0, 117, 2, 116, 114, 111, 110,
  154. 109, 108, 106, 98, 93, 92, 91, 89, 87, 75,
  155. 73, 65, 51, 4, 47, 35, 16, 30, 1, 28
  156. };
  157. short yyr1[] =
  158. {
  159. 0, 1, 1, 1, 2, 2, 2, 2, 4, 5,
  160. 5, 6, 6, 3, 3, 3, 3, 3, 3, 3,
  161. 3, 3, 3, 3, 3, 3, 3, 3, 3, 9,
  162. 3, 10, 3, 12, 3, 13, 3, 3, 14, 3,
  163. 15, 3, 3, 3, 3, 3, 3, 3, 3, 3,
  164. 24, 3, 11, 19, 20, 21, 22, 18, 18, 18,
  165. 18, 18, 18, 18, 18, 18, 18, 18, 16, 16,
  166. 17, 17, 25, 25, 23, 29, 23, 27, 27, 27,
  167. 27, 28, 28, 7, 8, 8, 8, 8, 26, 26
  168. };
  169. short yyr2[] =
  170. {
  171. 0, 1, 1, 0, 1, 2, 2, 1, 2, 2,
  172. 0, 2, 0, 3, 1, 1, 1, 1, 1, 1,
  173. 1, 1, 1, 3, 2, 2, 2, 2, 2, 0,
  174. 5, 0, 4, 0, 5, 0, 4, 1, 0, 5,
  175. 0, 4, 3, 2, 2, 2, 2, 2, 2, 1,
  176. 0, 5, 1, 2, 2, 2, 2, 1, 1, 1,
  177. 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
  178. 2, 2, 1, 2, 4, 0, 6, 1, 1, 1,
  179. 1, 1, 3, 2, 1, 1, 1, 2, 1, 1
  180. };
  181. short yychk[] =
  182. {
  183. -1000, -1, -2, 2, -3, 16, 61, 5, 4, 6,
  184. 7, 8, 17, 19, 20, 21, 15, -7, -8, 43,
  185. 35, -11, -16, -19, -20, -21, -22, -23, 9, 38,
  186. 40, 41, 42, 39, 18, 48, 47, 44, 46, 45,
  187. -27, 10, 11, 12, 13, -3, -4, 16, 34, 37,
  188. 36, 32, 33, -18, 52, 58, 59, 54, 55, 56,
  189. 57, 50, 53, 60, 51, -2, -3, -3, -3, -3,
  190. -3, 37, 36, -2, -3, -3, -3, -3, -24, -26,
  191. 4, 5, -26, -26, 61, -26, -26, -26, -26, 61,
  192. -26, -3, -3, -9, -10, -14, -15, 62, -12, -13,
  193. -17, 49, 61, -28, -2, -29, -3, -3, -3, -3,
  194. -3, -3, -26, 62, -25, -23, 62, 14, 61, -5,
  195. 36, -6, 33, -5, 62, -23, -2, -28, -3, -3,
  196. 62
  197. };
  198. short yydef[] =
  199. {
  200. -2, -2, 1, 2, 4, 7, 0, 14, 15, 16,
  201. 17, 18, 19, 20, 21, 22, 0, 0, 0, 0,
  202. 0, 37, 0, 0, 0, 0, 0, 49, 50, 0,
  203. 84, 85, 86, 0, 52, 0, 0, 0, 0, 0,
  204. 0, 77, 78, 79, 80, 5, 6, 0, 0, 29,
  205. 31, 38, 40, 44, 57, 58, 59, 60, 61, 62,
  206. 63, 64, 65, 66, 67, 0, 24, 25, 26, 27,
  207. 28, 33, 35, 43, 45, 46, 47, 48, 0, 83,
  208. 88, 89, 87, 68, 69, 53, 54, 55, 56, 0,
  209. 75, 8, 23, 0, 0, 0, 0, 13, 0, 0,
  210. 42, 0, 0, 0, 81, 0, 10, 32, 12, 41,
  211. 10, 36, 70, 71, 0, 72, 74, 0, 0, 30,
  212. 0, 39, 0, 34, 51, 73, 82, 0, 9, 11,
  213. 76
  214. };
  215. short yytok1[] =
  216. {
  217. 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  218. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  219. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  220. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  221. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  222. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  223. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  224. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  225. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  226. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  227. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  228. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  229. 0, 0, 0, 61, 0, 62
  230. };
  231. short yytok2[] =
  232. {
  233. 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
  234. 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
  235. 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
  236. 32, 33, 34, 35, 36, 37, 38, 39, 40, 41,
  237. 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,
  238. 52, 53, 54, 55, 56, 57, 58, 59, 60
  239. };
  240. long yytok3[] =
  241. {
  242. 0
  243. };
  244. #define YYFLAG -1000
  245. #define YYERROR goto yyerrlab
  246. #define YYACCEPT return(0)
  247. #define YYABORT return(1)
  248. #define yyclearin yychar = -1
  249. #define yyerrok yyerrflag = 0
  250. #ifdef yydebug
  251. #include "y.debug"
  252. #else
  253. #define yydebug 0
  254. char* yytoknames[1]; /* for debugging */
  255. char* yystates[1]; /* for debugging */
  256. #endif
  257. /* parser for yacc output */
  258. int yynerrs = 0; /* number of errors */
  259. int yyerrflag = 0; /* error recovery flag */
  260. char*
  261. yytokname(int yyc)
  262. {
  263. static char x[16];
  264. if(yyc > 0 && yyc <= sizeof(yytoknames)/sizeof(yytoknames[0]))
  265. if(yytoknames[yyc-1])
  266. return yytoknames[yyc-1];
  267. sprintf(x, "<%d>", yyc);
  268. return x;
  269. }
  270. char*
  271. yystatname(int yys)
  272. {
  273. static char x[16];
  274. if(yys >= 0 && yys < sizeof(yystates)/sizeof(yystates[0]))
  275. if(yystates[yys])
  276. return yystates[yys];
  277. sprintf(x, "<%d>\n", yys);
  278. return x;
  279. }
  280. long
  281. yylex1(void)
  282. {
  283. long yychar;
  284. long *t3p;
  285. int c;
  286. yychar = yylex();
  287. if(yychar <= 0) {
  288. c = yytok1[0];
  289. goto out;
  290. }
  291. if(yychar < sizeof(yytok1)/sizeof(yytok1[0])) {
  292. c = yytok1[yychar];
  293. goto out;
  294. }
  295. if(yychar >= YYPRIVATE)
  296. if(yychar < YYPRIVATE+sizeof(yytok2)/sizeof(yytok2[0])) {
  297. c = yytok2[yychar-YYPRIVATE];
  298. goto out;
  299. }
  300. for(t3p=yytok3;; t3p+=2) {
  301. c = t3p[0];
  302. if(c == yychar) {
  303. c = t3p[1];
  304. goto out;
  305. }
  306. if(c == 0)
  307. break;
  308. }
  309. c = 0;
  310. out:
  311. if(c == 0)
  312. c = yytok2[1]; /* unknown char */
  313. if(yydebug >= 3)
  314. printf("lex %.4lX %s\n", yychar, yytokname(c));
  315. return c;
  316. }
  317. int
  318. yyparse(void)
  319. {
  320. struct
  321. {
  322. YYSTYPE yyv;
  323. int yys;
  324. } yys[YYMAXDEPTH], *yyp, *yypt;
  325. short *yyxi;
  326. int yyj, yym, yystate, yyn, yyg;
  327. YYSTYPE save1, save2;
  328. int save3, save4;
  329. long yychar;
  330. save1 = yylval;
  331. save2 = yyval;
  332. save3 = yynerrs;
  333. save4 = yyerrflag;
  334. yystate = 0;
  335. yychar = -1;
  336. yynerrs = 0;
  337. yyerrflag = 0;
  338. yyp = &yys[-1];
  339. goto yystack;
  340. ret0:
  341. yyn = 0;
  342. goto ret;
  343. ret1:
  344. yyn = 1;
  345. goto ret;
  346. ret:
  347. yylval = save1;
  348. yyval = save2;
  349. yynerrs = save3;
  350. yyerrflag = save4;
  351. return yyn;
  352. yystack:
  353. /* put a state and value onto the stack */
  354. if(yydebug >= 4)
  355. printf("char %s in %s", yytokname(yychar), yystatname(yystate));
  356. yyp++;
  357. if(yyp >= &yys[YYMAXDEPTH]) {
  358. yyerror("yacc stack overflow");
  359. goto ret1;
  360. }
  361. yyp->yys = yystate;
  362. yyp->yyv = yyval;
  363. yynewstate:
  364. yyn = yypact[yystate];
  365. if(yyn <= YYFLAG)
  366. goto yydefault; /* simple state */
  367. if(yychar < 0)
  368. yychar = yylex1();
  369. yyn += yychar;
  370. if(yyn < 0 || yyn >= YYLAST)
  371. goto yydefault;
  372. yyn = yyact[yyn];
  373. if(yychk[yyn] == yychar) { /* valid shift */
  374. yychar = -1;
  375. yyval = yylval;
  376. yystate = yyn;
  377. if(yyerrflag > 0)
  378. yyerrflag--;
  379. goto yystack;
  380. }
  381. yydefault:
  382. /* default state action */
  383. yyn = yydef[yystate];
  384. if(yyn == -2) {
  385. if(yychar < 0)
  386. yychar = yylex1();
  387. /* look through exception table */
  388. for(yyxi=yyexca;; yyxi+=2)
  389. if(yyxi[0] == -1 && yyxi[1] == yystate)
  390. break;
  391. for(yyxi += 2;; yyxi += 2) {
  392. yyn = yyxi[0];
  393. if(yyn < 0 || yyn == yychar)
  394. break;
  395. }
  396. yyn = yyxi[1];
  397. if(yyn < 0)
  398. goto ret0;
  399. }
  400. if(yyn == 0) {
  401. /* error ... attempt to resume parsing */
  402. switch(yyerrflag) {
  403. case 0: /* brand new error */
  404. yyerror("syntax error");
  405. if(yydebug >= 1) {
  406. printf("%s", yystatname(yystate));
  407. printf("saw %s\n", yytokname(yychar));
  408. }
  409. yyerrlab:
  410. yynerrs++;
  411. case 1:
  412. case 2: /* incompletely recovered error ... try again */
  413. yyerrflag = 3;
  414. /* find a state where "error" is a legal shift action */
  415. while(yyp >= yys) {
  416. yyn = yypact[yyp->yys] + YYERRCODE;
  417. if(yyn >= 0 && yyn < YYLAST) {
  418. yystate = yyact[yyn]; /* simulate a shift of "error" */
  419. if(yychk[yystate] == YYERRCODE)
  420. goto yystack;
  421. }
  422. /* the current yyp has no shift onn "error", pop stack */
  423. if(yydebug >= 2)
  424. printf("error recovery pops state %d, uncovers %d\n",
  425. yyp->yys, (yyp-1)->yys );
  426. yyp--;
  427. }
  428. /* there is no state on the stack with an error shift ... abort */
  429. goto ret1;
  430. case 3: /* no shift yet; clobber input char */
  431. if(yydebug >= YYEOFCODE)
  432. printf("error recovery discards %s\n", yytokname(yychar));
  433. if(yychar == YYEOFCODE)
  434. goto ret1;
  435. yychar = -1;
  436. goto yynewstate; /* try again in the same state */
  437. }
  438. }
  439. /* reduction by production yyn */
  440. if(yydebug >= 2)
  441. printf("reduce %d in:\n\t%s", yyn, yystatname(yystate));
  442. yypt = yyp;
  443. yyp -= yyr2[yyn];
  444. yyval = (yyp+1)->yyv;
  445. yym = yyn;
  446. /* consult goto table to find next state */
  447. yyn = yyr1[yyn];
  448. yyg = yypgo[yyn];
  449. yyj = yyg + yyp->yys + 1;
  450. if(yyj >= YYLAST || yychk[yystate=yyact[yyj]] != -yyn)
  451. yystate = yyact[yyg];
  452. switch(yym) {
  453. case 1:
  454. #line 24 "/sys/src/cmd/eqn/eqn.y"
  455. { putout(yypt[-0].yyv); } break;
  456. case 2:
  457. #line 25 "/sys/src/cmd/eqn/eqn.y"
  458. { ERROR "syntax error" WARNING; } break;
  459. case 3:
  460. #line 26 "/sys/src/cmd/eqn/eqn.y"
  461. { eqnreg = 0; } break;
  462. case 5:
  463. #line 30 "/sys/src/cmd/eqn/eqn.y"
  464. { eqnbox(yypt[-1].yyv, yypt[-0].yyv, 0); } break;
  465. case 6:
  466. #line 31 "/sys/src/cmd/eqn/eqn.y"
  467. { eqnbox(yypt[-1].yyv, yypt[-0].yyv, 1); } break;
  468. case 7:
  469. #line 32 "/sys/src/cmd/eqn/eqn.y"
  470. { lineup(0); } break;
  471. case 8:
  472. #line 35 "/sys/src/cmd/eqn/eqn.y"
  473. { yyval = yypt[-0].yyv; lineup(1); } break;
  474. case 9:
  475. #line 38 "/sys/src/cmd/eqn/eqn.y"
  476. { yyval = yypt[-0].yyv; } break;
  477. case 10:
  478. #line 39 "/sys/src/cmd/eqn/eqn.y"
  479. { yyval = 0; } break;
  480. case 11:
  481. #line 42 "/sys/src/cmd/eqn/eqn.y"
  482. { yyval = yypt[-0].yyv; } break;
  483. case 12:
  484. #line 43 "/sys/src/cmd/eqn/eqn.y"
  485. { yyval = 0; } break;
  486. case 13:
  487. #line 46 "/sys/src/cmd/eqn/eqn.y"
  488. { yyval = yypt[-1].yyv; } break;
  489. case 14:
  490. #line 47 "/sys/src/cmd/eqn/eqn.y"
  491. { text(QTEXT, (char *) yypt[-0].yyv); } break;
  492. case 15:
  493. #line 48 "/sys/src/cmd/eqn/eqn.y"
  494. { text(CONTIG, (char *) yypt[-0].yyv); } break;
  495. case 16:
  496. #line 49 "/sys/src/cmd/eqn/eqn.y"
  497. { text(SPACE, (char *) 0); } break;
  498. case 17:
  499. #line 50 "/sys/src/cmd/eqn/eqn.y"
  500. { text(THIN, (char *) 0); } break;
  501. case 18:
  502. #line 51 "/sys/src/cmd/eqn/eqn.y"
  503. { text(TAB, (char *) 0); } break;
  504. case 19:
  505. #line 52 "/sys/src/cmd/eqn/eqn.y"
  506. { funny(SUM); } break;
  507. case 20:
  508. #line 53 "/sys/src/cmd/eqn/eqn.y"
  509. { funny(PROD); } break;
  510. case 21:
  511. #line 54 "/sys/src/cmd/eqn/eqn.y"
  512. { funny(UNION); } break;
  513. case 22:
  514. #line 55 "/sys/src/cmd/eqn/eqn.y"
  515. { funny(INTER); } break;
  516. case 23:
  517. #line 56 "/sys/src/cmd/eqn/eqn.y"
  518. { boverb(yypt[-2].yyv, yypt[-0].yyv); } break;
  519. case 24:
  520. #line 57 "/sys/src/cmd/eqn/eqn.y"
  521. { mark(yypt[-0].yyv); } break;
  522. case 25:
  523. #line 58 "/sys/src/cmd/eqn/eqn.y"
  524. { size(yypt[-1].yyv, yypt[-0].yyv); } break;
  525. case 26:
  526. #line 59 "/sys/src/cmd/eqn/eqn.y"
  527. { font(yypt[-1].yyv, yypt[-0].yyv); } break;
  528. case 27:
  529. #line 60 "/sys/src/cmd/eqn/eqn.y"
  530. { fatbox(yypt[-0].yyv); } break;
  531. case 28:
  532. #line 61 "/sys/src/cmd/eqn/eqn.y"
  533. { sqrt(yypt[-0].yyv); } break;
  534. case 29:
  535. #line 62 "/sys/src/cmd/eqn/eqn.y"
  536. {ps -= deltaps;} break;
  537. case 30:
  538. #line 62 "/sys/src/cmd/eqn/eqn.y"
  539. { subsup(yypt[-4].yyv, yypt[-1].yyv, yypt[-0].yyv); } break;
  540. case 31:
  541. #line 63 "/sys/src/cmd/eqn/eqn.y"
  542. {ps -= deltaps;} break;
  543. case 32:
  544. #line 63 "/sys/src/cmd/eqn/eqn.y"
  545. { subsup(yypt[-3].yyv, 0, yypt[-0].yyv); } break;
  546. case 33:
  547. #line 64 "/sys/src/cmd/eqn/eqn.y"
  548. {ps -= deltaps;} break;
  549. case 34:
  550. #line 64 "/sys/src/cmd/eqn/eqn.y"
  551. { integral(yypt[-4].yyv, yypt[-1].yyv, yypt[-0].yyv); } break;
  552. case 35:
  553. #line 65 "/sys/src/cmd/eqn/eqn.y"
  554. {ps -= deltaps;} break;
  555. case 36:
  556. #line 65 "/sys/src/cmd/eqn/eqn.y"
  557. { integral(yypt[-3].yyv, 0, yypt[-0].yyv); } break;
  558. case 37:
  559. #line 66 "/sys/src/cmd/eqn/eqn.y"
  560. { integral(yypt[-0].yyv, 0, 0); } break;
  561. case 38:
  562. #line 67 "/sys/src/cmd/eqn/eqn.y"
  563. {ps -= deltaps;} break;
  564. case 39:
  565. #line 67 "/sys/src/cmd/eqn/eqn.y"
  566. { fromto(yypt[-4].yyv, yypt[-1].yyv, yypt[-0].yyv); } break;
  567. case 40:
  568. #line 68 "/sys/src/cmd/eqn/eqn.y"
  569. {ps -= deltaps;} break;
  570. case 41:
  571. #line 68 "/sys/src/cmd/eqn/eqn.y"
  572. { fromto(yypt[-3].yyv, 0, yypt[-0].yyv); } break;
  573. case 42:
  574. #line 69 "/sys/src/cmd/eqn/eqn.y"
  575. { paren(yypt[-2].yyv, yypt[-1].yyv, yypt[-0].yyv); } break;
  576. case 43:
  577. #line 70 "/sys/src/cmd/eqn/eqn.y"
  578. { paren(yypt[-1].yyv, yypt[-0].yyv, 0); } break;
  579. case 44:
  580. #line 71 "/sys/src/cmd/eqn/eqn.y"
  581. { diacrit(yypt[-1].yyv, yypt[-0].yyv); } break;
  582. case 45:
  583. #line 72 "/sys/src/cmd/eqn/eqn.y"
  584. { move(FWD, yypt[-1].yyv, yypt[-0].yyv); } break;
  585. case 46:
  586. #line 73 "/sys/src/cmd/eqn/eqn.y"
  587. { move(UP, yypt[-1].yyv, yypt[-0].yyv); } break;
  588. case 47:
  589. #line 74 "/sys/src/cmd/eqn/eqn.y"
  590. { move(BACK, yypt[-1].yyv, yypt[-0].yyv); } break;
  591. case 48:
  592. #line 75 "/sys/src/cmd/eqn/eqn.y"
  593. { move(DOWN, yypt[-1].yyv, yypt[-0].yyv); } break;
  594. case 49:
  595. #line 76 "/sys/src/cmd/eqn/eqn.y"
  596. { pile(yypt[-0].yyv); ct = yypt[-0].yyv; } break;
  597. case 50:
  598. #line 77 "/sys/src/cmd/eqn/eqn.y"
  599. {yyval=ct;} break;
  600. case 51:
  601. #line 77 "/sys/src/cmd/eqn/eqn.y"
  602. { matrix(yypt[-3].yyv); ct = yypt[-3].yyv; } break;
  603. case 52:
  604. #line 80 "/sys/src/cmd/eqn/eqn.y"
  605. { setintegral(); } break;
  606. case 53:
  607. #line 83 "/sys/src/cmd/eqn/eqn.y"
  608. { yyval = atoi((char *) yypt[-1].yyv); } break;
  609. case 54:
  610. #line 84 "/sys/src/cmd/eqn/eqn.y"
  611. { yyval = atoi((char *) yypt[-1].yyv); } break;
  612. case 55:
  613. #line 85 "/sys/src/cmd/eqn/eqn.y"
  614. { yyval = atoi((char *) yypt[-1].yyv); } break;
  615. case 56:
  616. #line 86 "/sys/src/cmd/eqn/eqn.y"
  617. { yyval = atoi((char *) yypt[-1].yyv); } break;
  618. case 57:
  619. #line 88 "/sys/src/cmd/eqn/eqn.y"
  620. { yyval = HAT; } break;
  621. case 58:
  622. #line 89 "/sys/src/cmd/eqn/eqn.y"
  623. { yyval = VEC; } break;
  624. case 59:
  625. #line 90 "/sys/src/cmd/eqn/eqn.y"
  626. { yyval = DYAD; } break;
  627. case 60:
  628. #line 91 "/sys/src/cmd/eqn/eqn.y"
  629. { yyval = BAR; } break;
  630. case 61:
  631. #line 92 "/sys/src/cmd/eqn/eqn.y"
  632. { yyval = LOWBAR; } break;
  633. case 62:
  634. #line 93 "/sys/src/cmd/eqn/eqn.y"
  635. { yyval = HIGHBAR; } break;
  636. case 63:
  637. #line 94 "/sys/src/cmd/eqn/eqn.y"
  638. { yyval = UNDER; } break;
  639. case 64:
  640. #line 95 "/sys/src/cmd/eqn/eqn.y"
  641. { yyval = DOT; } break;
  642. case 65:
  643. #line 96 "/sys/src/cmd/eqn/eqn.y"
  644. { yyval = TILDE; } break;
  645. case 66:
  646. #line 97 "/sys/src/cmd/eqn/eqn.y"
  647. { yyval = UTILDE; } break;
  648. case 67:
  649. #line 98 "/sys/src/cmd/eqn/eqn.y"
  650. { yyval = DOTDOT; } break;
  651. case 68:
  652. #line 101 "/sys/src/cmd/eqn/eqn.y"
  653. { yyval = ((char *)yypt[-0].yyv)[0]; } break;
  654. case 69:
  655. #line 102 "/sys/src/cmd/eqn/eqn.y"
  656. { yyval = '{'; } break;
  657. case 70:
  658. #line 105 "/sys/src/cmd/eqn/eqn.y"
  659. { yyval = ((char *)yypt[-0].yyv)[0]; } break;
  660. case 71:
  661. #line 106 "/sys/src/cmd/eqn/eqn.y"
  662. { yyval = '}'; } break;
  663. case 74:
  664. #line 113 "/sys/src/cmd/eqn/eqn.y"
  665. { column(yypt[-3].yyv, DEFGAP); } break;
  666. case 75:
  667. #line 114 "/sys/src/cmd/eqn/eqn.y"
  668. {yyval=atoi((char*)yypt[-0].yyv);} break;
  669. case 76:
  670. #line 114 "/sys/src/cmd/eqn/eqn.y"
  671. { column(yypt[-5].yyv, yypt[-3].yyv); } break;
  672. case 77:
  673. #line 117 "/sys/src/cmd/eqn/eqn.y"
  674. { yyval = startcol(LCOL); } break;
  675. case 78:
  676. #line 118 "/sys/src/cmd/eqn/eqn.y"
  677. { yyval = startcol(CCOL); } break;
  678. case 79:
  679. #line 119 "/sys/src/cmd/eqn/eqn.y"
  680. { yyval = startcol(RCOL); } break;
  681. case 80:
  682. #line 120 "/sys/src/cmd/eqn/eqn.y"
  683. { yyval = startcol(COL); } break;
  684. case 81:
  685. #line 123 "/sys/src/cmd/eqn/eqn.y"
  686. { lp[ct++] = yypt[-0].yyv; } break;
  687. case 82:
  688. #line 124 "/sys/src/cmd/eqn/eqn.y"
  689. { lp[ct++] = yypt[-0].yyv; } break;
  690. case 83:
  691. #line 127 "/sys/src/cmd/eqn/eqn.y"
  692. { yyval = ps; setsize((char *) yypt[-0].yyv); } break;
  693. case 84:
  694. #line 130 "/sys/src/cmd/eqn/eqn.y"
  695. { static char R[]="R"; setfont(R); } break;
  696. case 85:
  697. #line 131 "/sys/src/cmd/eqn/eqn.y"
  698. { static char I[]="I"; setfont(I); } break;
  699. case 86:
  700. #line 132 "/sys/src/cmd/eqn/eqn.y"
  701. { static char B[]="B"; setfont(B); } break;
  702. case 87:
  703. #line 133 "/sys/src/cmd/eqn/eqn.y"
  704. { setfont((char *)yypt[-0].yyv); } break;
  705. }
  706. goto yystack; /* stack new state and value */
  707. }